HP 40290-60007 - Loopback connector - For 50-pin RS-232C connector - For testing all ports on the RS-232C ATP 37/M PC board Retail
HP 40290-60006 - RS-232C connector panel (Standard) - With seven direct connect 3-pin ports and one modem connect 25-pin port Retail
HP 40290-60003 - RS-232C connector panel (Option 125) - With eight 25-pin ports (Four modem connect ports, and four direct connect ports) Retail
HP 40290-60008 - Loopback connector - For 50-pin RS-422 connector - For testing all ports on the RS-422 ATP 37/M PC board Retail
HP 40290-60004 - RS-422 connector panel (Option 105) - With seven cirect connect 5-pin ports and one modem connect 25-pin port Retail
